2017 BMW 320i XDrive Cruise Control Isn't Working

Fixing Cruise Control Issues in 2017 BMW 320i xDrive

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Reviewed by
Andrew Hajjar
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2017 BMW 320i xDrive cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty or malfunctioning sensor can lead to incorrect readings, causing issues with engine performance or other systems relying on accurate data.
  • Control Module: A faulty control module can lead to erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent throttle response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2017 BMW 320i xDrive cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

What steps should I take to diagnose the cruise control issue in my 2017 BMW 320i xDrive?

To effectively diagnose the cruise control issue in your 2017 BMW 320i xDrive, begin with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Start by inspecting the cruise control fuse, as a blown fuse can easily disrupt functionality. Next, examine the cruise control buttons on the steering wheel for any signs of damage or wear that could hinder their operation. Utilizing an OBD-II scanner is crucial at this stage; it allows you to retrieve error codes that may pinpoint specific problems within the cruise control system. Following this, check the speed sensors, as they are integral to the system's performance. Ensure that all wiring connections related to the cruise control are secure and undamaged, as loose or frayed wires can lead to malfunctions. If these preliminary checks do not resolve the issue, proceed to test the cruise control module to confirm it is functioning correctly. Should you still encounter difficulties, seeking assistance from a professional mechanic or an authorized BMW service center is advisable for a thorough diagnosis and resolution. By adhering to this structured diagnostic approach, you can efficiently identify and address the cruise control issue in your vehicle.

What are the common problems that could cause the cruise control to stop working in a 2017 BMW 320i xDrive?

When troubleshooting the cruise control system in a 2017 BMW 320i xDrive, it's essential to understand the common problems that may lead to its malfunction. One prevalent issue is a faulty speed sensor, which can hinder the system's ability to accurately gauge the vehicle's speed, preventing it from engaging or maintaining the desired speed. Additionally, problems with the brake light switch can cause the cruise control to disengage unexpectedly, often when the brake pedal is pressed, even if the driver has not intended to deactivate it. Another potential culprit is a malfunctioning throttle actuator, which disrupts communication between the cruise control system and the engine, making it difficult to maintain a set speed. Electrical problems, such as faulty wiring or blown fuses, can also interfere with the cruise control's operation, leading to its failure. Lastly, vacuum leaks in the engine can affect the necessary vacuum pressure for the cruise control system, resulting in its inability to function properly. By identifying and addressing these issues, you can effectively restore the cruise control functionality in your BMW.

How urgent is it to address the malfunctioning cruise control in a 2017 BMW 320i xDrive?

Addressing a malfunctioning cruise control system in your 2017 BMW 320i xDrive is of utmost importance due to the significant safety risks it poses. A malfunction can lead to unexpected acceleration or deceleration, which can be dangerous, especially in high-traffic situations. Additionally, a faulty cruise control system can detract from your driving experience, causing discomfort and frustration during long journeys. Ignoring these symptoms not only compromises your safety and comfort but can also lead to more severe issues within the vehicle's systems, resulting in costly repairs down the line. Therefore, it is crucial to take immediate action to diagnose and fix the problem, ensuring both your safety on the road and the longevity of your vehicle.

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